Best Answer Key Apps

225+ iOS apps curated and reviewed

4.7 avg rating
20 free apps
Updated May 2026

Every iPhone needs a few good answer key apps. We benchmark 225+ of them on App Store rating, freshness, and pricing, then surface the standouts so you don't have to scroll the App Store yourself.

Top Picks for Answer Key

Gauth: AI Study Companion#1

Gauth: AI Study Companion by GAUTHTECH PTE. LTD.

Ask anything, get right answer
Editor's Choice
πŸ“š Education
4.8😊(1.4M ratings)
FreeIn-App Purchases
#10in Education
Gauth: AI Study Companion screenshot 1
Gauth: AI Study Companion screenshot 2
Gauth: AI Study Companion screenshot 3
Gauth: AI Study Companion screenshot 4
Gauth: AI Study Companion screenshot 5
Gauth: AI Study Companion screenshot 6

Gauth: AI Study Companion offers accurate and fast homework help across various subjects like Math, Chemistry, and Physics. With step-by-step solutions, live expert assistance, and easy-to-use photo upload feature, Gauth makes homework fun and easy to understand. Master different subjects with Gauth's convenient and efficient study companion!

What We Love

  • πŸš€ Helpful for homework and understanding concepts
  • πŸš€ Provides step-by-step explanations
  • πŸš€ Accurate answers most of the time
  • πŸ‘ Free to use with optional premium features

Room to Improve

  • πŸ› Inaccurate answers at times
  • πŸ› Tutors sometimes provide wrong or irrelevant responses
  • πŸ”’ Paywall for advanced features and tutoring
Ai Homework Helper: Scan Solve#2

Ai Homework Helper: Scan Solve by hossam sherraa

Ai Scanner & Pic Answer
Strong Contender
πŸ“š Education
4.7😊(20K ratings)
FreeIn-App Purchases
Ai Homework Helper: Scan Solve screenshot 1
Ai Homework Helper: Scan Solve screenshot 2
Ai Homework Helper: Scan Solve screenshot 3
Ai Homework Helper: Scan Solve screenshot 4

Get instant homework help with Ai Scanner app - simply scan, solve, and learn. Say goodbye to homework stress and download now!

What We Love

  • πŸ‘ Helpful for homework and assignments
  • πŸš€ Fast and accurate answers
  • πŸ’‘ Explains step-by-step solutions
  • πŸ™Œ Saves time and effort

Room to Improve

  • πŸ’° Limited free usage, requires premium subscription
  • πŸ› Occasional inaccurate or inconsistent answers
  • πŸ€” Issues with camera functionality and scanning
Pic Answer - AI Solver#3

Pic Answer - AI Solver by Tech Consolidated INC.

Math Photo Solve your Homework
Worth Considering
πŸ“š Education
4.7😊(3.3K ratings)
FreeAdsIn-App Purchases
Pic Answer - AI Solver screenshot 1
Pic Answer - AI Solver screenshot 2
Pic Answer - AI Solver screenshot 3
Pic Answer - AI Solver screenshot 4
Pic Answer - AI Solver screenshot 5
Pic Answer - AI Solver screenshot 6

Revolutionize your learning experience with a cutting-edge AI-powered solver app. Snap a picture of your homework, get instant solutions, and engage in interactive chat for comprehensive learning across various subjects. Download now and dive into effortless understanding!

What We Love

  • πŸš€ Fast and accurate answers
  • πŸ‘ Helpful for homework and studying
  • πŸ’‘ Explains step-by-step solutions
  • πŸŽ“ Improves grades and academic performance

Room to Improve

  • πŸ› Occasional inaccurate answers
  • πŸ’° Subscription/payment issues
  • πŸ”„ Inconsistent performance after updates

More Answer Key apps to explore

4
Quizard AI: Homework Helper
Quizard AI: Homework Helper
Quizard AI: Homework Helper
Instant Math Problem Solver
Free

A homework assistance app that provides instant answers and explanations for scanned questions. Simplify your studies with Quizard AI - Scan and Solve today!

πŸ“š Education
(57K)
5
Brainly: Your Personal Tutor
Brainly: Your Personal Tutor
Brainly: Your Personal Tutor
Scan questions & get answers
Free

An AI homework helper app that offers quick solutions and explanations from students and experts, helping you understand concepts, boost knowledge, and improve grades. Features include scanning math problems for instant answers and accessing AI Tutor and Live Expert support 24/7.

πŸ“š Education
(284K)
6
Question.AI-Math Calculator
Question.AI-Math Calculator
Question.AI-Math Calculator
Scan&Solve All Subject Problem
Free

Scan and solve math problems instantly with an advanced AI-driven Math Calculator. Simply take a picture of the equation and get step-by-step solutions with explanations. Effortlessly master math with this powerful tool!

πŸ“š Education
(503)
7
Answer App - Coursology AI
Answer App - Coursology AI
Answer App - Coursology AI
Math Photo Solve your Homework
Free

An AI-powered homework helper that provides instant, detailed answers to complex questions in various subjects like math, biology, and chemistry by simply taking a photo. Offering personalized AI chat support and additional features with Coursology Pro for better grades. Unlock your academic potential today!

πŸ“š Education
(4.1K)
8
Socratic AI - Homework Helper
Socratic AI - Homework Helper
Socratic AI - Homework Helper
Scan Math Solver
Free

Get fast, accurate homework help with an AI-powered app that solves math problems and more. Snap a picture of your question and receive step-by-step solutions across all subjects instantly. Transform your homework experience - download now!

πŸ“š Education
(5.1K)
9
PhotoSolve: Answer Pic Solver
PhotoSolve: Answer Pic Solver
PhotoSolve: Answer Pic Solver
Scan Questions and Get Answer
Free

"Instantly solve questions with detailed explanations using the ultimate pic solver app. Scan, learn, and get help with homework assignments on any topic. Download now for quick and easy solutions!"

πŸ“š Education
(1.4K)
10
Nerd AI - Math Problem Solver
Nerd AI - Math Problem Solver
Nerd AI - Math Problem Solver
Homework Scanner & Solver
Free

"Nerd AI - Tutor" is an innovative app designed to help users master difficult subjects through personalized tutoring sessions and interactive lessons. Boost your knowledge and skills with this user-friendly educational tool.

πŸ“š Education
(33K)
11
Answer.AI - Your AI tutor
Answer.AI - Your AI tutor
Answer.AI - Your AI tutor
Scan and ask AI
Free

Harness the power of cutting-edge AI technology with this innovative study app that offers 24/7 assistance across various subjects. Get detailed solutions and explanations to enhance your learning experience. Try it today and unlock the potential of AI for academic success!

πŸ“š Education
(166K)
12
Photomath
Photomath
Photomath
Learn math, step-by-step
Free

Photomath helps learners understand math step by step with accurate solutions, explanations, and various methods. Scan math problems to untangle complexities, access step-by-step explanations, expert-developed methods, word problem instructions, interactive graphs, video learning, and an advanced scientific calculator. Dive deeper with Photomath Plus for custom tutorials and textbook solutions.

πŸ“š Education
(733K)
13
Mathway: Math Problem Solver
Mathway: Math Problem Solver
Mathway: Math Problem Solver
Homework scanner & calculator
Free

A powerful math problem-solving app that scans and solves homework questions for various math subjects. Easily tackle complex math problems by taking a photo and receiving step-by-step solutions instantly. Boost your math skills and efficiency with this convenient tool.

πŸ“š Education
(425K)
14
Studybay- homework & answers
Studybay- homework & answers
Studybay- homework & answers
Pro tutoring help for study
Free

An innovative homework assistance application that connects students with tutors for personalized help on various subjects. Get instant access to expert guidance and support for all your academic needs.

πŸ“š Education
(662)
15
Course Hero: AI Homework Help
Course Hero: AI Homework Help
Course Hero: AI Homework Help
Scan & Solve Math Questions
Free

Get instant help with your homework using AI technology on Course Hero. Scan your questions and receive step-by-step solutions and explanations in minutes. Master your subjects with ease!

πŸ“š Education
(66K)
16
Chegg Study - Homework Help
Chegg Study - Homework Help
Chegg Study - Homework Help
Expert Answers & College App
Free

Get expert answers to your homework questions and study smarter with the Chegg Study app. Access step-by-step solutions and live expert help 24/7. A must-have tool for all students aiming to excel in their academics.

πŸ“š Education
(205K)
17
Solvely - AI Study Tools
Solvely - AI Study Tools
Solvely - AI Study Tools
Math Solver & Homework Helper
Free

Solve complex math and science problems instantly with an AI-powered app. Simply scan the problem, get it solved, and learn detailed explanations on various subjects. Enhance your learning experience today!

πŸ“š Education
(38K)
18
Homework AI - Math Helper
Homework AI - Math Helper
Homework AI - Math Helper
Scan & Solve - Answer Anything
Free

Scan and solve math problems instantly with an AI-powered math helper app. Simply take a picture of the problem, and get step-by-step solutions and explanations. Master math with ease – download the app now!

πŸ“š Education
(4.9K)
19
Solvo: AI Homework Helper
Solvo: AI Homework Helper
Solvo: AI Homework Helper
Scan to Solve Math Problems
Free

Get instant help with your math homework using Solvo, an AI-powered homework helper. Simply snap a photo of the problem, and Solvo will provide step-by-step solutions. Say goodbye to homework stress - try Solvo now!

πŸ“š Education
(5.4K)
20
Quora
Quora
Quora
Questions, Answers, and More
Free

Discover a platform for asking and answering a wide range of questions. Join discussions, share knowledge, and connect with a diverse community of users. Join now to explore the world of questions and answers!

πŸ“‘ News
(14K)